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參數(shù)資料
| 型號： | OM4068 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | LCD driver for low multiplex rates |
| 中文描述： | LCD驅(qū)動器的低復(fù)用率 |
| 文件頁數(shù)： | 8/28頁 |
| 文件大?。?/td> | 156K |
| 代理商： | OM4068 |
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1998 Jun 18
8
Philips Semiconductors
Product specification
LCD driver for low multiplex rates
OM4068
FUNCTIONAL DESCRIPTION
The OM4068 is a low-power LCD driver designed to
interface with any microprocessor/microcontroller and a
wide variety of LCDs. It can drive any static or multiplexed
LCD containing up to three backplanes and
up to 96 segments.
The display configurations possible with the OM4068
depend on the number of active backplane outputs
required; a selection of display configurations is given in
Table 1.
A typical system (MUX 1 : 3) is shown in Fig.4.
Table 1
Selection of display configurations
NUMBER OF
7-SEGMENTS NUMERIC
DOT MATRIX
BACKPLANES
DISPLAY
SEGMENTS
DIGITS
INDICATOR
SYMBOLS
3
2
1
96
64
32
12
8
4
12
8
4
96 dots (3
×
32)
64 dots (2
×
32)
32 dots (1
×
32)
Fig.4 Typical system configuration.
handbook, full pagewidth
HOST
MICROPROCESSOR/
MICROCONTROLLER
SCLK
SDOUT
SCE
SDIN
32 segment drivers
(1)
3 backplanes
LCD PANEL
(up to 96
elements)
OM4068
M1
M0
VDD
VDD
VLCD
VSS
VSS
MBK818
(1) 28 segment drivers for DIP40 package.
The host microprocessor/microcontroller maintains the
3-line bus communication channel with OM4068.
The internal oscillator requires no external components.
The appropriate intermediate biasing voltage for the
multiplexed LCD waveforms are generated on-chip.
The only other connections required to complete the
system are to the power supplies (V
SS
, V
DD
and V
LCD
) and
suitable capacitors to decouple the V
LCD
and V
DD
pins to
V
SS
.
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| OM4068P | LCD driver for low multiplex rates |
| OM4068U | LCD driver for low multiplex rates |
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| OM4085T | Universal LCD driver for low multiplex rates |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| OM4068H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD driver for low multiplex rates |
| OM4068H/2,518 | 功能描述:LCD 驅(qū)動器 CHIPS DIGITAL MOS IC RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| OM4068P | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD driver for low multiplex rates |
| OM4068U | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD driver for low multiplex rates |
| OM4068U/5 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD driver for low multiplex rates |
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